70740377 has 2 divisors, whose sum is σ = 70740378. Its totient is φ = 70740376.

The previous prime is 70740347. The next prime is 70740379. The reversal of 70740377 is 77304707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38204761 + 32535616 = 6181^2 + 5704^2 .

It is a cyclic number.

It is not a de Polignac number, because 70740377 - 2⁸ = 70740121 is a prime.

Together with 70740379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70740379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35370188 + 35370189.

It is an arithmetic number, because the mean of its divisors is an integer number (35370189).

Almost surely, 2^70740377 is an apocalyptic number.

It is an amenable number.

70740377 is a deficient number, since it is larger than the sum of its proper divisors (1).

70740377 is an equidigital number, since it uses as much as digits as its factorization.

70740377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28812, while the sum is 35.

The square root of 70740377 is about 8410.7298732036. The cubic root of 70740377 is about 413.5764394673.

It can be divided in two parts, 70740 and 377, that added together give a palindrome (71117).

The spelling of 70740377 in words is "seventy million, seven hundred forty thousand, three hundred seventy-seven".